DumpChan( ) Dumps information about the calling channel to the console

DumpChan([min_verbose_level])

Displays information about the calling channel, as well as a listing of all channel variables. If min_verbose_level is specified, output is displayed only when the verbosity level is currently set to that number or greater.

Always returns 0.

    exten => s,1,Answer(  )
    exten => s,2,DumpChan(  )
    exten => s,3,Background(enter-ext-of-person)